std::system

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Defined in header <cstdlib>
​int system( const char *command );​

Calls the host environment's command processor with command parameter. Returns implementation-defined value (usually the value that the invoked program returns).

If command is ​NULL​ pointer, checks if host environment has a command processor and returns nonzero value only if it the command processor exists.

Parameters

command

-

character string identifying the command to be run in the command processor. If NULL pointer is given, command processor is checked for existence

Return value

implementation-defined value. If command is ​NULL​ returns nonzero value only if command processor exists.

Example

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